Granted Patent
Utility
US 5,128,133 · App. 07/616,954
Industrial microbicidal/microbistatic composition and use thereof
Inventors:
Yasuhiro Hidaka, Masanobu Takahashi, Toshio Sato
Patented Case
View Patent ↗
Granted: Jul 7, 1992
Filed: Nov 21, 1990
Inventors
Yasuhiro Hidaka
Masanobu Takahashi
Toshio Sato
Assignee (at issue)
Yoshitomi Pharmaceutical Industries, Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.